Spectroscopy of self-trapped charge-transfer excitons in polar films and crystals of N,N-dimethylaminobenzylidene 1,3-indandione (DMABI)

Saulius Jursenas, Vidmantas Gulbinas, Alytis Gruodis, Gerdenis Kodis, Vitalij Kovalevskij, Leonas Valkunas

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

The origin of exciton states in crystals built up by dipolar N,N- dimethylaminobenzylidene 1,3-indandione (DMABI) molecules has been investigated by means of absorption and luminescence spectroscopy. The exciton spectral and dynamical properties in the solid state are compared to those of the excitation of separated DMABI molecules embedded in a rigid polymer matrix. The luminescence excitation spectra and the luminescence decay kinetics are discussed on the basis of the specific adiabatic potential-energy scheme of the self-trapped excitons.

Original languageEnglish (US)
Pages (from-to)1715-1718
Number of pages4
JournalPhysical Chemistry Chemical Physics
Volume1
Issue number8
DOIs
StatePublished - Apr 15 1999
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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